Moving to dynamic, interdisciplinary models

Life-cycle strategies, multi-generational strategies. Enrichment of economic models of migration by anthropological (family ties, gender relations, kinship ties, solidarity at different scales), cognitive (degree of information, risk-taking, estimation bias on length of stay) and legal dimensions (knowledge and use of legislation, forms of semi-constrained migration). Controversy over the existence of " migratory customs " specific to certain ethnic groups.